Ethyl 2-(3-chloropropanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate CAS 60442-45-7
| CAS No. | 60442-45-7 |
| Molecular Formula | C14H18ClNO3S |
| Molecular Weight | 315.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 2-(3-chloropropanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 60442-45-7), molecular formula C14H18ClNO3S and molecular weight 315.82 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H18ClNO3S, Ethyl 2-(3-chloropropanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Ethyl 2-(3-chloropropanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H18ClNO3S |
| Molecular Weight | 315.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 2-(2-chloropropanamido)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 632332-28-6)
- Methyl 2-(3-chloropropanamido)-4-phenylthiophene-3-carboxylate (CAS 546090-24-8)
- 2-(2-chloropropanamido)-N-(furan-2-ylmethyl)benzamide (CAS 1221723-24-5)
- Ethyl 2-(2-chloropropanamido)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 568544-05-8)
- Ethyl 2-(3-chloropropanamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate (CAS 314244-45-6)
- Ethyl 2-(3-chloropropanamido)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 315694-92-9)
- Methyl 2-(2-chloropropanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 731012-07-0)
- 4-(2-Chloropropanamido)-n-(2-methoxyphenyl)benzamide (CAS 790270-96-1)
Recommended Standards
- Methyl 2-(2-chloroacetamido)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate (CAS 519016-71-8)
- Ethyl 2-(2-chloroacetamido)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 76981-87-8)
- N-(4-Chlorophenyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 81136-45-0)
- Ethyl 2-(2-chloroacetamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate (CAS 76981-88-9)
- Myristoylamide Propylbetaine (CAS 59272-84-3)
- N,N-dimethyl-2-(N-methylacetamido)acetamide (CAS 29399-02-8)
- Boc-NH-PEG2-CH2COOH (CAS 108466-89-3)
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